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61560841 is a prime number
BaseRepresentation
bin1110101011010…
…1100000001001
311021211121121011
43222311200021
5111224421331
610035243521
71345154446
oct352654011
9137747534
1061560841
1131827631
12187495a1
13c9a5544
1482669cd
1556103b1
hex3ab5809

61560841 has 2 divisors, whose sum is σ = 61560842. Its totient is φ = 61560840.

The previous prime is 61560833. The next prime is 61560853. The reversal of 61560841 is 14806516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 783225 = 7796^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 61560841 - 23 = 61560833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61569841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780420 + 30780421.

It is an arithmetic number, because the mean of its divisors is an integer number (30780421).

Almost surely, 261560841 is an apocalyptic number.

It is an amenable number.

61560841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61560841 is an equidigital number, since it uses as much as digits as its factorization.

61560841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 61560841 is about 7846.0716922547. The cubic root of 61560841 is about 394.8524599863.

The spelling of 61560841 in words is "sixty-one million, five hundred sixty thousand, eight hundred forty-one".